BLDR announces COO and CHRO succession; Hiller named COO-Designate, O'Brien CHRO

Builders FirstSource, Inc.

Mike Hiller appointed COO-Designate effective May 18, 2026, to succeed Steve Herron upon his retirement Dec. 31, 2026.
Steve Herron, COO since March 2023, retires after over 15 years with the company.
Hiller previously served as Chief Talent Officer and President – Central Division; over 25 years in building materials.
Coley O'Brien appointed Chief Human Resources Officer effective May 18, 2026; joins from Wendy's where he was Chief People Officer.
Annual meeting results: all director nominees elected, advisory say-on-pay approved, 2026 equity and ESPP plans approved.

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Executive movements

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Appointed

Coley O'Brien

Chief Human Resources Officer

BLDR · Builders FirstSource, Inc.

Effective: 2026-05-18
Successor: Mike Hiller
Filed: May 18, 2026 20:15 UTC

the Board appointed Coley O'Brien to succeed Mr. Hiller as Chief Human Resources Officer, effective May 18, 2026.

Departed

Steve Herron

Chief Operating Officer

BLDR · Builders FirstSource, Inc.

Effective: 2026-12-31
Successor: Mike Hiller
Filed: May 18, 2026 20:15 UTC

Mr. Herron has served as Chief Operating Officer of the Company since March 2023 and is retiring after over 15 years of dedicated service to the Company.

Appointed

Mike Hiller

Chief Operating Officer-Designate

BLDR · Builders FirstSource, Inc.

Effective: 2026-05-18
Filed: May 18, 2026 20:15 UTC

appointed Mike Hiller, Chief Talent Officer of the Company, as Chief Operating Officer-Designate effective May 18, 2026.

Source: SEC EDGAR

accession 0001316835-26-000004

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